Home >> Lexus >> 2010 >> IS F >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control (Diagnostic Codes (P0010-P0193) >> SFI System >> DTC P0115: Engine Coolant Temperature Circuit Malfunction; DTC P0117: Engine Coolant Temperature Circuit Low Input; DTC P0118: Engine Coolant Temperature Circuit High Input >> Component Operating Range